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Sika Sikaflex-221 Multi-Purpose Polyurethane Sealant/Adhesive, 10.3 oz Cartridge, White (90891)
Mfr #: 90891BB #: sika-90891-sika-sikaflex-221-multi-purpose-polyurethane-sealant-adhesiUPC: 338860050980
Last verified Oct 2, 2026 — price check expired
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🗎 Product description from the manufacturer spec sheet
Sikaflex-221 is a high-quality, multi-purpose, non-sag one-component polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. It bonds well to wood, metals, metal primers and paint coatings, ceramics and plastics, making permanent elastic seals of high adhesive strength. Highly elastic, resistant to aging and weathering, non-corrosive, and can be sanded and overpainted. NSF registered and UL listed for potable water in white.
▦ Specifications spec-checked before it ships
- Size
- 10.3 fl oz (300 ml) cartridge
- Color
- White
- Tensile Strength
- 260 psi
- Tack-Free Time
- 60 minutes
- Application Temperature
- 40 to 105 F
- Service Temperature
- -40 to 195 F
- Approvals
- ASTM C920; ANSI/UL 723; NSF registered; UL listed for potable water
⌗ Cross-references every known SKU, MFR & MPN
MPN90891
UPC338860050980